Hi Simon, As I indicated, this service allows for the addition of negative keywords or placements. NegativeCampaignCriterion is the only concrete type that extends CampaignCriterion:
http://code.google.com/apis/adwords/v2009/docs/reference/CampaignCriterionService.NegativeCampaignCriterion.html The effects of negative keywords are explained here: http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=63235 http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=105671 Because negative keywords can't be used to match a query ad parameters cannot be assigned to them. Best, - Eric On Mar 17, 9:56 pm, Simon <simon.kitch...@airnz.co.nz> wrote: > > The purpose of the CampaignCriterion is to allow you to add negative > > keywords or placements to a campaign, as is available in the AdWords > > web interface. > > Thanks for your reply, Eric. Unfortunately it isn't what I was looking > for. It's clear from the API that this adds a Criterion to a Campaign. > My question was: what *effect* does this have? > > Here's my best *guess*: > > Adding a CampaignCriterion (to associate a Criterion with a Campaign) > has the same effect as adding an AdGroupCriterion with the same > Criterion values for each AdGroup in the Campaign. Note, however, that > it is not possible to create AdParam objects for a CampaignCriterion; > if AdParams are needed then an AdGroupCriterion must be explicitly > used. > > Have I got it right? > > Thanks, Simon -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Have you migrated to v200909 yet? The v13 sunset is on April 22, 2010. Also find us on our blog and discussion group: http://adwordsapi.blogspot.com http://groups.google.com/group/adwords-api =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API Forum" group. To post to this group, send email to adwords-api@googlegroups.com To unsubscribe from this group, send email to adwords-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/adwords-api?hl=en
